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Protein Synthesis

Protein Synthesis
Which of the following RNAs bind to an amino acid?

hnRNA
mRNA
rRNA
tRNA

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Protein Synthesis
Phosphorus is taken up by the cell during the process of

protein synthesis,
lipid synthesis.
carbohydrate synthesis.
ATP synthesis.

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Protein Synthesis
Proteins contain __________ different amino acids, whereas DNA and RNA are composed of __________ different nucleotides

3,20
4,20
20,64
20,4

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Protein Synthesis
The anticodon of tRNA

binds to rRNA
binds to an mRNA codon
binds to the Shine Dalgarno sequence
binds to an amino acid

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Protein Synthesis
Signal peptide protein removal that is translocated across a membrane is accomplished by

chymotrypsin
trypsin
fMet aminopeptidase
signal peptidase

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Protein Synthesis
The lac operon contains the z, y and a structural genes

encoding p-galactosidase and galactose permeases
encoding p-galactosidase, galactose permeases and thio-galactosidase transacetylase respectively
encoding P-galactosidase only
None of these

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